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README.md

Mockito Tutorial For Beginners

Gain expertise on the most popular java mocking framework

Installing Tools

Course Overview

Step List

JUnit

  • Step 01 : Need for Unit Testing
  • Step 02 : Setting up your First JUnit
  • Step 03 : First Successful JUnit. Green Bar and assertEquals
  • Step 04 : Refactoring Your First JUnit Test
  • Step 05 : Second JUnit Example assertTrue and assertFalse
  • Step 06 : @Before @After
  • Step 07 : @BeforeClass @AfterClass
  • Step 08 : Comparing Arrays in JUnit Tests
  • Step 09 : Testing Exceptions in JUnit Tests
  • Step 10 : Testing Performance in JUnit Tests
  • Step 11 : Parameterized Tests
  • Step 12 : Organize JUnits into Suites

Mockito

  • Step 01 : Set up an Eclipse Project with JUnit and Mockito frameworks. First Green Bar.
  • Step 02 : Example to start understanding why we need mocks.
  • Step 03 : What is a stub? Create an unit test using Stub? Disadvantages of Stubs.
  • Step 04 : Your first Mockito code! Hurrah!!! Lets use Mockito to mock TodoService.
  • Step 05 : Stubbing variations with Mockito. A few mockito examples mocking List class : Multiple return values, Argument Matchers and throwing exceptions.
  • Some Theory : Mockito vs EasyMock https://github.com/mockito/mockito/wiki/Mockito-vs-EasyMock
  • Step 06 : Introduction to BDD. Given When Then. BDD Mockito Syntax.
  • Step 07 : How to verify calls on a mock? Verify how many times a method is called. We will add deleteTodo method to the TodoService.
  • Step 08 : How to capture an argument which is passed to a mock?
  • Step 09 : Hamcrest Matchers.
  • Step 10 : Let's simplify things with Mockito Annotations. @Mock, @InjectMocks, @RunWith(MockitoJUnitRunner.class), @Captor
  • Step 11 : JUnit Rules. Using MockitoJUnit.rule() instead of @RunWith(MockitoJUnitRunner.class).
  • Step 12 : Real world Example with Spring
  • Step 13 : What is a spy? How to spy with Mockito?
  • Step 14 : Some Theory : Why does Mockito not allow stubbing final and private methods?
  • Step 15 : Using PowerMock and Mockito to mock a Static Method.
  • Step 16 : Using PowerMock and Mockito to invoke a private Method.
  • Step 17 : Using PowerMock and Mockito to mock a constructor.
  • Step 18 : Good Unit Tests.

Expectations

  • You should know Java.
  • You are NOT expected to have any experience with Eclipse or Maven.
  • We will help you install Eclipse and get up and running with Maven.

Let's have some fun

  • What are we waiting for?
  • Let's have some fun with Mockito in 25 Steps.
  • I had fun creating this course and hope you would too.
  • Thanks for your interest in Our Course
    • I hope you’re as excited as I am!
    • If you’re ready to learn more and sign up for the course,
    • go ahead and hit that Enroll button,
    • or take a test drive by using the Free Preview feature.
  • See you in the course!

About in28Minutes

  • At in28Minutes, we ask ourselves one question everyday. How do we help you learn effectively - that is more quickly and retain more of what you have learnt?
  • We use Problem-Solution based Step-By-Step Hands-on Approach With Practical, Real World Application Examples.
  • Our success on Udemy and Youtube (2 Million Views & 12K Subscribers) speaks volumes about the success of our approach.
  • While our primary expertise is on Development, Design & Architecture Java & Related Frameworks (Spring, Struts, Hibernate) we are expanding into the front-end world (Bootstrap, JQuery, Angular JS).

Our Beliefs

  • Best Courses are interactive and fun.
  • Foundations for building high quality applications are best laid down while learning.

Our Approach

  • Problem Solution based Step by Step Hands-on Learning
  • Practical, Real World Application Examples.
  • We use 80-20 Rule. We discuss 20% things used 80% of time in depth. We touch upon other things briefly equipping you with enough knowledge to find out more on your own.
  • We will be developing a demo application in the course, which could be reused in your projects, saving hours of your effort.
  • We love open source and therefore, All our code is open source too and available on Github.

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